john, good morning. >> reporter: dan, good morning. experts say one of the reasons prices are going down, because after issues earlier this year are back up and running at normal capacity. with plenty of gas to go around, we'll actually see prices keep falling. this weekend, as drivers pull up to the pump and check out the price of gas, they're noticing a welcome trend. >> they're lowering it. it's amazing. >> reporter: just how great has it been? take a look. a month ago, the average was $3.50. last week, it dropped to $3.40. and now, it's down, again, nearly 14 cents from the average a month ago. >> aaa's prediction is that, by christmas, we should have prices between $3.20 and $3.40. >> i'm thrilled. i mean, i have to buy gas no matter what, the fact that it costs a little bit less with christmas coming up. >> reporter: so, what's causing the sudden drop? experts say that prices typically do come down this time of year, but other factors are bringing them closer to the near $3. >> hurricane sandy hit in a major population portion in